html {
  font-size: 10px;
  font-family: "Hiragino Sans W3", "Hiragino Kaku Gothic ProN",
    "ヒラギノ角ゴ ProN W3", "メイリオ", "Meiryo", "ＭＳ Ｐゴシック",
    "MS PGothic", sans-serif;
}

body {
  font-size: 1.6em;
  margin: 0px auto;
  padding: 0px;
  background: rgb(179, 207, 238);
  background: linear-gradient(
    -45deg,
    rgba(179, 207, 238, 1) 0%,
    rgba(224, 202, 228, 0.45702030812324934) 67%,
    rgba(223, 239, 242, 0.8715861344537815) 100%
  );
}
.wrapper {
  width: 95%;
  max-width: 800px;
  min-height: 60vh;
  /* padding: 0 8px; */
}

h1,
h2,
h3,
h4,
p,
th,
td {
  color: rgba(16, 16, 16, 1);
}
h1,
h2,
h3,
h4,
th {
  font-weight: 300;
}
/*font size*/
h1 {
  font-size: 2rem;
}
h2 {
  font-size: 1.8rem;
}
h3 {
  font-size: 1.6rem;
}
h4 {
  font-size: 1.4rem;
}
p,
th,
td {
  font-size: 1.4rem;
  line-height: 1.5;
}

/* ロゴ部分のh1タグ */
h1.logo {
  margin-bottom: 0px;
}

/* inputとtextarea両方のplaceholderの色を薄くする */
::placeholder {
  color: rgba(85, 85, 85, 0.3);
}

.small {
  font-size: 1.2rem;
}
.smaller {
  font-size: 1rem;
}
.large {
  font-size: 1.8rem;
}
.larger {
  font-size: 2rem;
}

b,
strong {
  font-weight: 600;
}
a {
  color: #555;
  text-decoration: none;
}
.fadein {
  animation: fadeIn 3s ease;
}

.margin-top1 {
  margin-top: 50px;
}
.margin-top2 {
  margin-top: 20px;
}
.margin-right2 {
  margin-right: 8px;
}

.btn-kaiseki {
  /*解析ボタン、送信ボタン共通*/
  display: inline-block;
  width: 100%;
  padding: 0.3em 1em;
  text-decoration: none;
  color: white;
  background: #67c5ff;
  border: none;
  border-radius: 20px;
  transition: 0.4s;
  letter-spacing: 6px;
  text-align: center;
}

.btn-kaiseki:hover {
  background: #50b1f0;
  color: white;
  cursor: pointer;
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.inlline {
  display: inline;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}
.center-margin {
  margin: 0 auto;
}
.center-align {
  text-align: center;
}
.right-align {
  text-align: right;
}
.left-align {
  text-align: left;
}

/*Header*/
.logo-head {
  height: 70px;
  width: auto;
}
/*footer*/
.footer {
  max-width: 100%;
  background-color: rgba(49, 169, 238, 0.3);
  padding: 10px;
}
.logo-foot {
  max-width: 300px;
  height: auto;
}
.link-foot {
  letter-spacing: 1.5px;
  line-height: 3;
  text-align: center;
  margin: 0px;
}
.text-foot {
  text-align: center;
}
/*入力フォーム*/
input[type="text"] {
  height: 40px;
  padding: 0 10px;
  border-radius: 15px;
}
/*フッター*/
.text-foot a {
  text-decoration: underline;
}

#particles-js {
  width: 100%;
  height: 100%;
  z-index: -1;
  position: absolute;
  top: 0;
}

/* ローディング用CSS */
.loading {
  vertical-align: text-bottom;
  margin-right: 30px;
  width: max-content;
  height: max-content;
  zoom: 30%;
}

@media screen and (min-width: 480px) {
  .logo-head {
    height: 100px;
    width: auto;
  }
  /*font size*/
  h1 {
    font-size: 1em;
  }
  /*入力フォーム*/

  #particles-js {
    width: 100%;
    height: 100%;
    z-index: -1;
    position: absolute;
    top: 0;
  }
}
@media screen and (min-width: 768px) {
  .wrapper {
    width: 90%;
    max-width: 800px;
    padding: 0 60px;
  }

  /* ---- particles.js container ---- */

  #particles-js {
    width: 100%;
    height: 100%;
    z-index: -1;
    position: absolute;
    top: 0;
  }
}